102results about How to "High degree of prefabrication" patented technology

The invention discloses a single-layer space lattice structure assembled double-ring node, which mainly comprises five parts including center upper and lower node rings, I-shaped connecting elements, a large sealing plate, a small sealing plate, high-strength screw bolts, major rod elements and minor rod elements, wherein the center upper and lower node rings are provided with screw bolt holes; the wing edge parts of the I-shaped connecting elements are provided with screw bolt holes; the large sealing plate and the small sealing plate are rectangular steel plates; the large sealing plate is welded with the I-shaped connecting elements; the small sealing plate is provided with screw bolt holes, and is welded with the rod ends of the minor rod elements; the high-strength screw bolts are connected with the upper and lower node rings and the I-shaped connecting elements; the upper node ring and the small sealing plate are connected; the major rod elements and the minor rod elements are rectangular steel pipes. The node rings can be only connected with the major rod elements and can be connected with both the major rod elements and the minor rod elements; a certain angle can be formed between the node rings and the rod elements. The node provided by the invention can be applicable to a single-layer space lattice structure, and has the characteristics that the mechanical property is good; the assembling performance is high; the construction speed is high; the construction quality can be easily controlled; the construction cost is low, and the like.

A screen adjustment device (1) for a motor vehicle has a screen (6) or screen carrier (2) for mounting a screen, and a control cable drive (4) for adjusting the screen or screen carrier between an open (screen-accessible) position (22) and a parked (screen-hidden) position (24). The control cable drive has a control cable (11), which is coupled to the screen or screen carrier by a driver (15) and which at the two ends is guided over two return elements (12, 13) and at least one cable tensioning unit (18, 19) onto a winding reel (14) coupled to a drive motor (21). The control cable drive has a bearing block (30) for supporting the winding reel, the block together with the cable tensioning unit forming a self-contained pre-assembled unit (20) or being capable of pre-assembly to form such a unit.

The invention discloses an autoclaved aerated concrete plate with pre-buried pipes and a preparation method of the autoclaved aerated concrete plate. The autoclaved aerated concrete plate with the pre-buried pipes comprises an autoclaved aerated concrete plate body, the pre-buried pipes and wire inserting boxes, wherein the pre-buried pipes and the wire inserting boxes are arranged in the interiorof the autoclaved aerated concrete plate body, and the wire inserting boxes are arranged at one ends of the pre-buried pipes. According to the autoclaved aerated concrete plate with the pre-buried pipes, a socket and an electric pipeline can be installed without opening a groove in the concrete plate, dust pollution is small, furthermore, the prepared autoclaved aerated concrete plate can be quickly assembled during construction, the construction period is short, the prefabrication degree is high, and the cost is reduced.

A connecting node for metallic structures, specifically for structures based on props or pillars (1) wherewith cross beams (2) are associated, wherein said pillars (1) incorporate rosettes (3) separated by a predetermined distance, each of which having a polygonal window (31) and at least one circular hole (32); while the beams (2) include on their edges a fork (4) having a stub (41) with a polygonal configuration that projects from the lower side and has a configuration equivalent to the window (31) and at least one hole (42) in correspondence with the hole (32) of the rosettes (3); the foregoing in anticipation that a fork (4) will be fitted into a pair of rosettes (3) without possibility of sideways movement of the beam (2) and, once the structure is assembled, that it will be immobilised by means of at least one screw (6) which, passing through holes (32) and (42), establishes the definitive connection.

The invention discloses a novel assembled joint applicable to a monolayer triangular space grid structure. The novel assembled joint is mainly composed of five parts, namely a center joint, connecting sleeves, high-strength bolts, upper and lower cover plates and a center bolt. The center joint is composed of a center circular ring and six connecting arms in connection. The connecting sleeves are machined from steel tubes. Bolt holes are arranged in corresponding positions of the center joint, the sleeves and road pieces. During assembly, one end of each sleeve is sleeved with one connecting arm while the other end of the same is sleeved with one rectangular steel tube, the sleeves, the connecting arms and the rectangular steel tubes are connected through the high-strength bolts, bending moment and axial force of the rod pieces are transmitted through the bolts and friction and mechanical squeezing among the steel tubes, the sleeves, the connecting arms and the center ring, and the triangular space grid structure joint is formed by all the connections. The assembled joint is wide in application range, convenient for industrialized batch production, good in assembling capacity, convenient to construct, high in construction and assembly quality, capable of meeting the requirement of the monolayer space grid structure on joint bearing capacity and rigidity and broad in application prospect.

The invention discloses an elastic buffering device of an anti-collision guardrail for a bridge and an implementation method of the elastic buffering device. The elastic buffering device comprises a stand column [-shaped cover plate, a sliding rod, a check block and a buffering device body. The two sliding rods penetrate through the stand column in the height direction, one ends of the sliding rods are fixedly connected with the [-shaped cover plate, the other ends of the sliding rods are fixedly connected with the check blocks, and the buffering device is arranged between the stand column andthe [-shaped cover plate. The vertical buffer device comprises a first hinge block, a connecting rod, a second hinge block, a vertical spring, a fixing block, a T-shaped sliding groove and a T-shapedsliding block. The horizontal springs and the vertical buffer devices are good in buffer effect and high in energy consumption, all the components can be conveniently connected together through the hinge rods, and construction is convenient, rapid and efficient.

A current distributor includes a common, uninterrupted first main busbar as a main current supply and a number of current distributor modules which are each associated with a respective circuit breaker and can be disposed in a row along the main busbar. The current distributor module or each current distributor module has a first connection line for supplying current to a load circuit. The current distributor module or each current distributor module has a housing, a slot formed on a front side of the housing for plugging on an associated circuit breaker, and a first channel which passes through the housing in a transverse direction for accommodating the first main busbar. A first contact opening of the slot corresponds to the first channel and a second contact opening of the slot corresponds to a housing receptacle for a connection socket of the first connection line.

The invention provides a prefabricated shear wall groove grouting anchor horizontal connection structure. The prefabricated shear wall groove grouting anchor horizontal connection structure comprisesa first shear wall and a second shear wall which are laterally arranged side by side, and a first convex plate and a second convex plate are separately disposed on the end faces, facing each other, ofthe first shear wall and the second shear wall. First U-shaped stirrups and second U-shaped stirrups are disposed in a cavity structure in a staggered mode in the vertical direction, wherein the cavity structure is formed by the first and second shear walls and the first and second convex plates in a surrounding mode. Mouth structures formed by overlapping portions of the first and second U-shaped stirrups are provided with reinforcement cages in an inserted mode, and concrete is poured in the cavity structure. Manpower is saved, on-site operation time is reduced and construction is more simple and convenient, the staggered first and second U-shaped stirrups reduce the use of steel bars, and cost is saved; the reinforcement cages inserted in the stirrups improve the shear capacity of theshear walls, the first and second U-shaped stirrups transmit force to the reinforcement cages, and the transmission force is clear, the integrity is improved, and the shear performance is good; and when an earthquake occurs, the reinforcement cages form an embedded column in the shear walls to prevent the shear walls from collapsing.

The invention discloses a group of silos and a single silo of square steel structure. The group of silos and the single silo of square steel structure comprise a rectangular group of silos which comprise more than two single silos arranged in matrix. Every single silo comprises four vertical rectangular silo walls and a horizontal silo roof. The four silo walls are connected in turn to form a silo space and the silo roof is on the top of the four silo walls. Every silo wall comprises silo wall boards and main body structure connected with the outer side of the silo wall boards. The main structure is steel structure and the two adjacent single silos share a silo wall. An in-feed conveyor is arranged on the top of the silo roof, which can convey feed to every top of silo space and unloads into each silo space. A feeder is arranged on the bottom of the silo space. A discharging conveyor is connected with the lower part of the feeder and is arranged outside the silo space. The feeder can provide materials which are in the silo space to the discharging conveyor. The group of silos and a single silo of square steel structure can realize the automatic in-feeding and automatic unloading with high structural strength, no support in the silo body, easy feeding and low cost.

The invention discloses a friction-type stud shearing-force connection part and a construction method thereof. The friction-type stud shearing-force connection part includes a stud shearing-force connection part main body, a mounting nut, a sleeve, a fixing nut and a semiconductor spring; the stud shearing-force connection part main body comprises a thread section, a thread-free extrusion sectionand a pulling-resistant pier in sequence from bottom to top; during factory prefabrication, the stud shearing-force connection part main body is sleeved with the fixing nut, the sleeve and the semiconductor spring from the thread section in sequence, the upper end face of the fixing nut is located at the top of the thread section and is fixed, the upper end of the sleeve is fixed to the lower endface of the fixing nut, the upper end of the semiconductor spring and the lower end of the sleeve are connected into one, and the shearing-force connection parts are mounted on a maim beam at intervals according to needed shearing resistant requirements. By the adoption of the friction-type stud shearing-force connection part and the construction method thereof, force transferring modes of traditional shearing force connection parts are improved, interface friction is reasonably utilized, the pretension force of the friction-type stud shearing-force connection part can be monitored and controlled, and the design philosophy of combining resistance and releasement can be achieved. The factory prefabrication degree is high, bolt splicing is conducted on the spot, and the labor cost is saved.

The invention discloses a fireproof composite wall for building protection. The simple wall comprises a bearing wall (1); multiple prestress dispersion layers (2) are transversely bonded on the two sides of the bearing wall (1) end to end; sandwich layer fillers (3) are cast in two space formed by the prestress dispersion layers (2) and the bearing wall (1); the sandwich layer fillers (3), the prestress dispersion layers (2) and the bearing wall (1) are integrally injected to form a simple wall main body. The simple wall is simple in structure and novel in design, improves the earthquake resistance of the overall wall structure, reduces the design strength and cost of wall components, meanwhile, greatly improves the shear resistance and the integrity, and has such advantages as excellent integrity, excellent earthquake resistance, higher bonding and anti-shearing capacity and excellent finished wall molding effect.

The invention relates to a prefabricated-slab connecting structure, and belongs to the field of prefabricated components in constructional engineering. According to the connecting structure between composite slabs, the composite slabs are composed of slab prefabricated parts and slab cast-in-place parts; the slab cast-in-place parts are located at connecting areas between the composite slabs; theslab prefabricated parts are each in a step shape with the middle being protruding and the periphery being sunken; upper layer steel bars of the slab prefabricated parts extend out of the middle protruding areas of the slab prefabricated parts, and lower layer steel bars of the slab prefabricated parts do not extend out of the periphery sunken areas of the slab prefabricated parts; additional lower layer steel bars are arranged on the lower layers of the slab cast-in-place parts, and the additional lower layer steel bars and the lower layer steel bars are indirectly connected in an overlappedmode; and steel bar meshes are laid on the upper layers of the slab cast-in-place parts, and the steel bar meshes and the upper layer steel bars are connected in an overlapped mode. Similarly, the prefabricated-slab connecting structure can also be used for connecting between the composite slabs and composite beams as well as between the composite slabs and a wall. According to the prefabricated-slab connecting structure, the prefabrication rate is increased, the manufacturing cost is low, the stiffness is large, and the formwork removing and hoisting requirements can be met.

A drive unit for a hybrid vehicle includes an internal combustion engine with a crankshaft, a friction clutch with a pressure plate, which can be moved in the axial direction by an actuating arrangement, with a clutch plate, and with a clutch disk arrangement, positioned between these first two components and is connected to the crankshaft. The drive unit also includes an electric machine, which is arranged between the internal combustion engine and the friction clutch, with a stator attached to a stator carrier and with a rotor. The friction clutch comprises a clutch hub, which serves to create at least an indirect connection of the clutch disk arrangement to the crankshaft is detachably connected to the clutch disk arrangement outside the radial dimension of the pressure plate and the clutch plate. An assembly method for assembling such a drive unit is also described, where a preassembled unit including at least the electric machine and the friction clutch is attached to an internal combustion engine.

The invention relates to a hollow corrugated pipe interlayer concrete-filled steel tubular column, and belongs to the field of industrial buildings, high-rise buildings, large-span buildings and bridge engineering. An inner steel pipe of the hollow corrugated pipe interlayer concrete-filled steel tubular column is arranged in a pipe body of an outer steel pipe, and the outer steel pipe and the inner steel pipe are coaxially arranged; a pipe cavity between the outer steel pipe and the inner steel pipe is filled with self-compacting concrete; and the inner steel pipe is a hollow corrugated pipe body. The hollow corrugated pipe interlayer concrete-filled steel tubular column has the advantages of being high in bearing capacity, good in ductility, high in buckling resistance, capable of enhancing the core concrete constraint effect, good in durability, high in factory prefabrication degree, capable of achieving standardized production and the like.

The invention discloses an assembled form-removal-free steel bar truss floor support plate. Each floor unit comprises a concrete bottom plate, a steel bar truss and a connecting piece, wherein the steel bar truss is connected with one surface of the concrete bottom plate through the connecting piece, a decorative layer is arranged on the other surface of the concrete bottom plate, and the end parts of the decorative layers of the adjacent floor units are staggered with the end parts of the concrete bottom plates. The concrete bottom plates are adopted as formworks for pouring concrete during construction, and do not need to be removed after construction is completed, so that the construction period is shortened, and the construction cost is reduced; and meanwhile, the mechanical property of the concrete bottom plates is good, the concrete bottom plates can be used as a part of a floor structure, and are stressed cooperatively with concrete of an upper cast-in-place structure layer, so that the thickness of a floor plate can be reduced, the use amount of upper cast-in-place concrete and truss steel bars is reduced, and the floor clearance is increased. The end parts of the decorative layers of the adjacent floor units are staggered with the end parts of the concrete bottom plates, so that the decorative layers of the adjacent plate ends can be overlapped and meshed with the concrete bottom plates when the floor support plates are laid in the construction stage, and slurry leakage is effectively avoided.

The invention discloses a connecting structure of a hoop type precast tubular pile and a precast bearing platform. The connecting structure of the hoop type precast tubular pile and the precast bearing platform comprises a precast tubular pile part A and a precast bearing platform part C which are connected through a steel structure hoop type connecting piece part B. The connecting structure of the hoop type precast tubular pile and the precast bearing platform has the beneficial effects that rapid and reliable connection of the precast tubular pile and the precast bearing platform is realizeddue to the adoption of the steel structure hoop type connecting piece part; slurry can be fully injected in a tubular pile upper cavity, a tubular pile top and bearing platform bottom space and a hole passage space of a pile head reserved threaded rod in the bearing platform by means of pressure and a ventilation vertical hole passage in the bearing platform so that the integrity and reliabilityof connection are improved; a cross-shaped vertical plate stiffening rib is included in the tubular pile, the tubular pile is filled with core filling slurry, and therefore, the shear-bearing capacityof a pile head is obviously enhanced; in the case that a foundation is in tension, stress transmission between the precast bearing platform and the precast tubular pile depends on friction between tubular pile grouting material external leather and the cavity wall of the tubular pile and extruding friction between an external annular connecting plate strip and the external wall of the tubular pile; and therefore, the bearing capacity is high, the structure safety defense line is not single; and the shear-bearing capacity of the pile head is enhanced, and the prefabrication degree is enhanced.